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【前线动态】深圳医院科研助力精准防疫

  • 2026-04-10 11:05:57
【前线动态】深圳医院科研助力精准防疫

大家知道,新冠肺炎的诊断一直以来主要靠核酸检测确诊,但是阳性率不高,临床诊断困难,据媒体报道,甚至有人连测8次才阳性

病毒太狡猾,有什么办法能够弥补核酸检测的不足呢?

我们一直在想办法。

3月3日,南方医科大学深圳医院检验、临床团队联合解放军总医院专家在医学国际网站MedRxiv率先发布最新研究成果,证实了血清学抗体筛查在新冠肺炎疑似患者诊断中的临床应用价值,提出血清抗体筛查结合核酸检测、CT影像学是提高诊断的有效方法。

▲ 《IgM和IgG抗体检测在诊断新型冠状病毒感染性疾病(COVID-19)疑似病例的临床价值》

在线发表在医学预印本网站medRxiv上

2月10日,南方医科大学深圳医院临床检验医学中心贾兴旺团队与解放军总医院合作,率先使用荧光免疫层析法检测新型冠状病毒特异性IgM和IgG抗体。

利用这个项目检测,禾正病区为新冠肺炎疑似患者做到了早诊断和早隔离。

▲ 检验人员在生物安全柜内

进行新型冠状病毒IgM和IgG抗体检测

团队还分析了两例典型患者病例。

第一例患者咽试子核酸初筛阴性,影像学高度疑似,表现为双肺下叶见大片状模糊影及磨玻璃影,部分略呈扇形分布,血清学抗体证实都是阳性

另一例患者咽试子核酸初筛阳性,影像学双肺未见明显病灶,血清学抗体证实都呈阴性

这说明联合血清学抗体检测可以降低核酸检测的假阴性和假阳性。

——临床检验医学中心贾兴旺

3月4日,国家卫健委发布新型冠状病毒肺炎诊疗方案(试行第七版),新冠病毒血清学检测已被列为新冠肺炎确诊三项标准之一,显示了南方医科大学深圳医院这项工作的前瞻性。

贾兴旺副主任介绍,血清学特异性IgM抗体是机体感染后早期产生的抗体,提示现行感染或新近感染。IgG抗体是再次免疫应答产生的主要抗体,提示病情进入恢复期或存在既往感染

通过荧光免疫层析法检测血清特异性IgM和IgG抗体, 15分钟就能出结果

▲ 检验人员在生物安全柜内

进行新型冠状病毒IgM和IgG抗体检测

与核酸检测法相比,血清学检测在新冠肺炎确诊方面显示出独特优势,为临床不漏查、不晚筛提供了有力支撑。

南方医科大学深圳医院禾正病区临床、检验团队在患者入院、出院增加特异性IgM和IgG抗体检测,动态监测了患者康复过程,尽最大努力保证每位患者安全出院。

南方医科大学深圳医院禾正病区作为深圳“第二病区”,以科学、规范、精准的专业态度,切实保障了深圳“抗疫”战略大局,传递出让患者安心的温度。

专家介绍

 

周义文

临床检验医学中心主任

擅 长:在临床血液病学实验诊断、临床病原微生物学诊断、临床心血管病实验诊断、临床生化学实验诊断等学科积累了丰富的实践经验,为很多疑难病患者做出了正确的临床实验诊断。

专家介绍

 

贾兴旺

临床检验医学中心副主任

擅 长:医学实验室标准化、自动化、信息化管理,ISO15180医学实验室认可,临床生化及定量免疫检测及临床意义解释。

<END>

来源 | 临床检验医学中心

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  1. CONNECT:[ UseTime:0.001128s ] mysql:host=127.0.0.1;port=3306;dbname=c460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001535s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.025983s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.026612s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000841s ]
  6. SELECT * FROM `set` [ RunTime:0.014413s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000639s ]
  8. SELECT * FROM `article` WHERE `id` = 546051 LIMIT 1 [ RunTime:0.024803s ]
  9. UPDATE `article` SET `lasttime` = 1775797005 WHERE `id` = 546051 [ RunTime:0.022646s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.010386s ]
  11. SELECT * FROM `article` WHERE `id` < 546051 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.011185s ]
  12. SELECT * FROM `article` WHERE `id` > 546051 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.014802s ]
  13. SELECT * FROM `article` WHERE `id` < 546051 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.042767s ]
  14. SELECT * FROM `article` WHERE `id` < 546051 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.111749s ]
  15. SELECT * FROM `article` WHERE `id` < 546051 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.169520s ]
0.658107s